Dona Flora et les cajous. Deux systèmes agricoles au sud-est du Piaui (Brésil)

Abstract

Two agricultural systems of the South-Eastern Piaui region are described as ecosystems and analysed according to their evolution capability. The first system represents traditional family agricultural unit, dedicated to mixed farming of food crops. The second systems belongs to monoculture food farming of cashew (Anacardium occidentale). These two types of farming diverged considerably interms of their ecological impact and socio-economical integration.